PIETERMARITZBURG - 25 May 2007 - The KwaZulu-Natal secretary-general of Cosatu Zet Luzipho addresses more than 20,000 public sector workers outside the KwaZulu-Natal legislature..The government workers staged a protest march against the government's offer of a 6 percent wage . Workers are demanding 12 percent and are threatening to go on strike from June 1..Picture: Giordano Stolley/Allied Picture Press